Melioidosis: Etiology, Clinical Features, and Treatment Etiology: Melioidosis is caused by the gram-negative bacterium Burkholderia pseudomallei, which is commonly found in soil and water in endemic regions like Southeast Asia and northern A ...
murine typhus
Murine typhus is a rickettsial infection caused by Rickettsia typhi, transmitted primarily by rat fleas (Xenopsylla cheopis). The disease is endemic in warm, coastal areas of the tropics and subtropics, with seasonal peaks (e.g., April–July in Texas ...